Home / 38,662,289.34-53,353,584.17-21,021,191.64

Finding the Fourth Proportional to 38,662,289.34, 53,353,584.17 and 21,021,191.64

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Solution

The fourth proportional to 38,662,289.34, 53,353,584.17 and 21,021,191.64 is: 29,009,040.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,662,289.34 : 53,353,584.17 = 21,021,191.64 : x
  2. Step 2: Convert to fraction form
    38,662,289.34/53,353,584.17 = 21,021,191.64/x
  3. Step 3: Cross multiply
    38,662,289.34x = 53,353,584.17 × 21,021,191.64
  4. Step 4: Simplify right side
    38,662,289.34x = 1,121,555,917,614,744.25
  5. Step 5: Solve for x
    x = 1,121,555,917,614,744.25/38,662,289.34
  6. Step 6: Final answer
    x = 29,009,040.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.